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 Chemistry Questions

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Q:

When Granite rocks get metamorphosed, they form

A) Quartzite B) Gneiss
C) Marble D) Slate
 
Answer & Explanation Answer: B) Gneiss

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Q:

Process of loosing electrons is known as _____.

A) oxidation B) reduction
C) radiation D) both oxidation and reduction
 
Answer & Explanation Answer: A) oxidation

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Q:

The polar ice-caps are made of ____________ water

A) Saline B) Salt
C) Sour D) Fresh
 
Answer & Explanation Answer: D) Fresh

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0 1802
Q:

Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?

A) Methyl isocyanate B) Methyl isochlorate
C) Methyl Phosphate D) Methyl Isopropate
 
Answer & Explanation Answer: A) Methyl isocyanate

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0 1800
Q:

In general the largest component of bog soils is

A) organic matter B) water
C) living organisms D) air
 
Answer & Explanation Answer: A) organic matter

Explanation:

A Bog soil is an intrazonal group of poorly drained dark peat or muck soils underlain by peat and developed under swamp or marsh types of vegetation.

The largest component of bog soils is organic matter.

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Q:

The Chemical formula of Ammonium nitrate is ___________.

A) (NH2)2NO3 B) NH4NO3
C) NH4(NO3)2 D) NH2NO3
 
Answer & Explanation Answer: B) NH4NO3

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Q:

What are the main components of Brass Alloy?

A) Copper and Zinc B) Copper and Strontium
C) Copper, Zinc and Nickel D) Copper and Nickel
 
Answer & Explanation Answer: A) Copper and Zinc

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Q:

A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.

A) Six months B) Ten months
C) Twelve Months D) Twenty four months
 
Answer & Explanation Answer: C) Twelve Months

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